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It's not always safe to fold movsd into xorpd, etc. Check the alignment of the load address first to make sure it's 16 byte aligned.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46893 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-02-08 21:20:40 +00:00
parent 0c191872ab
commit 5fd79d0560
16 changed files with 204 additions and 35 deletions
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6
lib/Target/Sparc/SparcInstrInfo.h
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@@ -94,11 +94,13 @@ public:
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
MachineInstr* MI,
SmallVectorImpl<unsigned> &Ops,
int FrameIndex) const;
virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
MachineInstr* MI,
SmallVectorImpl<unsigned> &Ops,
MachineInstr* LoadMI) const {
return 0;